Understanding exposure with a reversed lens


show more Understanding exposure with a reversed lens provides you with in-depth training on Photography. Taught by Ben Long as part of the Lens-Reversal Macro Photography show less
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Understanding exposure with a reversed lens

Normally your camera can do a lot of things automatically including focusing and adjusting shutter speed and aperture. Shutter speed, ISO, white balance and lots of other things are camera functions. They happen in the camera, not in the lens. But focus and aperture are parameters that are controlled within the lens. Your camera controls these in-lens parameters through these electrical contacts v on what is normally at the back of the lens. But because we reversed the lens, the camera has lost contact with the lens.

So when shooting reversed, you'll have no auto focus, normally you have normal control of aperture. However, your light meter will still work, so you won't have to guess at exposure. Now because you've crippled the camera's ability to communicate with its lens, Auto mode, Program mode and Aperture Priority modes will not work. Shutter priority may work fine on your camera, but you probably won't have a usable meter in that mode. So you're going to need ...

Understanding exposure with a reversed lens
Video duration: 4m 50s 32m 36s Intermediate

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Understanding exposure with a reversed lens provides you with in-depth training on Photography. Taught by Ben Long as part of the Lens-Reversal Macro Photography

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